package com.al.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

@WebFilter("/*")
public class CharacterFilter implements Filter {
	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		//设置字符编码
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		//向后转发
		chain.doFilter(request, response);
	}
}
